| EMS | express mail service | 特快邮政速递 |
| EMS | European Membrane Society | 欧洲膜学会 |
| EMS | Enhanced Memory System | 增强内存系统 |
| EMS | Expanded Memory Specification | 扩充内存规格 |
| EMS | European Monetary System | 欧洲货币体系 |
| EMS | Electronic Mail System | 电子邮件系统 |
| EMS | Enterprise Message System | 企业信息系统 |
| EMS | Expanded Memory Specification | 扩充内存标准（规格） |
| EMS | Energy Management System | 能源管理系统或能源管理中心 |
| EMS | Electromagnetic Sensitibility | 电磁敏感性 |
| EMS | Electronic Mail Service | 电子邮政服务 |
| EMS | Element Management System | 网元管理系统 |
| EMS | European Mobile Satellite system | 欧洲移动卫星系统 |
| EMS | Environment Management System | 环境管理体系 |
| EMS | Enhanced Message Service | 增强型短信服务 |
| EMS | electronic manufacture service | 电子制造服务 |
| EMS | Electron Microscope | 电子显微镜 |
| EMS | Electronic Management System | 电子管理系统 |
| EMS | Electronic Medical System | 电子医疗系统 |
| EMS | Engineering Music Society (The University of Melbourne, Australia) | 工程音乐协会（澳大利亚墨尔本大学） |
| EMS | Engineering Modeling Software | 工程建模软件 |
| EMS | Early Morning Seminary | 清晨神学院 |
| EMS | Global Express Mail (USPS) | 全球特快专递（USPS） |
| EMS | Eastern Middle School | 东部中学 |
| EMS | Enfinity Multisite (webshop application) | Enfinity Multisite（网络商店应用程序） |
| EMS | Environmental Mutagen Society | 环境诱变剂学会 |
| EMS | Entitlement Management System | 权利管理系统 |
| EMS | Electromagnetic Spectrum | 电磁频谱 |
| EMS | Eligibility Management Systems | 资格管理系统 |
| EMS | English, Math and Science | 英语、数学和科学 |
| EMS | Express Mail International (USPS) | 国际特快专递（USPS） |
| EMS | Enhanced Messaging Services | 增强的消息服务 |
| EMS | Effective Management Systems | 有效的管理系统 |
| EMS | Environmental Media Services | 环境媒体服务 |
| EMS | Electronic Music Synthesis | 电子音乐合成 |
| EMS | Electronic Manufacturing Service | 电子制造服务 |
| EMS | Emergency Medical System | 应急医疗系统 |
| EMS | Early Music Society | 早期音乐学会 |
| EMS | Engine Management System | 发动机管理系统 |
| EMS | Engineering and Manufacturing Services | 工程和制造服务 |
| EMS | Event Management System | 事件管理系统 |
| EMS | Earn Money Sleeping | 睡觉赚钱 |
| EMS | Every Man Shares | 人人共享 |
| EMS | Eosinophilia Myalgia Syndrome | 嗜酸性粒细胞肌痛综合征 |
| EMS | Engineered Mechanical Systems, Inc (Westville, NJ) | 工程机械系统公司（新泽西州韦斯特维尔） |
| EMS | Earl Marriott Secondary (school) | 厄尔万豪中学（学校） |
| EMS | ElectroMagnetic Suspension | 电磁悬浮液 |
| EMS | Earth-Moon-Sun (sensors) | 地-月-日（传感器） |
| EMS | Emergency Management Services | 应急管理服务 |
| EMS | Equipment Maintenance & Supplies | 设备维护及用品 |
| EMS | Evernham Motorsports | Evernham赛车 |
| EMS | Embessa, Papua New Guinea | 巴布亚新几内亚Embessa |
| EMS | Enhanced Messaging Service | 增强的消息服务 |
| EMS | Equipment Management Section | 设备管理科 |
| EMS | Electronic Manufacturing Solutions | 电子制造解决方案 |
| EMS | Edmondson Mechanical Services Ltd | 埃德蒙森机械服务有限公司 |
| EMS | Exception Management System | 异常管理系统 |
| EMS | Entertainment Management System | 娱乐管理系统 |
| EMS | English Market Selection | 英语市场选择 |
| EMS | Electronic Manufacturing Services | 电子制造服务 |
| EMS | Electronic Maintenance Section | 电子维修科 |
| EMS | Europe Maplestory (gaming) | 欧洲Maplestory（游戏） |
| EMS | Engineering Mathematics and Statistics | 工程数学与统计学 |
| EMS | Experience Management System | 经验管理系统 |
| EMS | Enterprise Management System | 企业管理系统 |
| EMS | Electronic Music Studio | 电子音乐工作室 |
| EMS | Eat My Shorts | 吃我的短裤 |
| EMS | E-Mail Shorthand | 电子邮件速记 |
| EMS | Extra Mural Studies | 壁画外研究 |
| EMS | Emergency Medical Services (pre-hospital personnel) | 紧急医疗服务（院前人员） |
| EMS | Electromagnetic Susceptibility | 电磁敏感性 |
| EMS | Exchange Messaging Service | Exchange邮件服务 |
| EMS | Enhanced Monitoring System | 增强型监控系统 |
| EMS | Emergency Medical Service(s) | 紧急医疗服务 |
| EMS | Emergency Management System | 应急管理系统 |
| EMS | Enter, Mark, Spend (motto of Where's George) | 进入,马克,花(的格言:在乔治。) |
| EMS | Equipment Manufacturing Services | 设备制造服务 |
| EMS | Export Movement Services | 出口运输服务 |
| EMS | Electronic Master Schedule | 电子主进度表 |
| EMS | Extended Min-Sum | 扩展最小总和 |
| EMS | Efficient Market Services, Inc. | 高效市场服务公司。 |
| EMS | Electromagnetic Surveillance | 电磁监视 |
| EMS | Ethyl Methane Sulfonate | 甲烷磺酸乙酯 |
| EMS | Electronic Message System | 电子信息系统 |
| EMS | Enquiry Management System | 查询管理系统 |
| EMS | Event Management Systems | 事件管理系统 |
| EMS | Execution Management System | 执行管理系统 |
| EMS | Electric Muscle Stimulator | 电动肌肉刺激仪 |
| EMS | Electronic Maintenance Shop | 电子维修车间 |
| EMS | Enterprise Messaging Service | 企业消息服务 |
| EMS | Environmental Monitoring System | 环境监测系统 |
| EMS | Enterprise Management Software | 企业管理软件 |
| EMS | Electronic Music System | 电子音乐系统 |
| EMS | Embedded Memory System | 嵌入式内存系统 |
| EMS | Earthmoving Simulator | 土方模拟器 |
| EMS | Equipment Maintenance Standard | 设备维护标准 |
| EMS | Electronic Message Service | 电子信息服务 |
| EMS | Établissements MÉdico-Sociaux | Établissements MÉdico-Sociaux |
| EMS | Enterprise Messaging Server | 企业消息服务器 |
| EMS | Electrical Muscle Stimulation unit | 肌肉电刺激装置 |
| EMS | Electronics Manufacturing Services | 电子制造服务 |